Strontium
City of Louisville
Strontium is a metal that accumulates in the bones. Radioactive strontium-90 can cause bone cancer and leukemia, and any form of strontium at high doses can harm bone health.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.0778 ppb | 14 | 14 | 0.0424 ppb - 0.106 ppb |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 1,500 ppb
The EWG Health Guideline of 1,500 ppb for strontium was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against harm to bones.
ppb = parts per billion
All test results
Date | Result |
---|---|
2014-03-18 | 0.0738 ppb |
2014-03-18 | 0.0988 ppb |
2014-03-18 | 0.0732 ppb |
2014-03-18 | 0.100 ppb |
2014-06-18 | 0.0864 ppb |
2014-06-18 | 0.106 ppb |
2014-06-18 | 0.0870 ppb |
2014-06-18 | 0.105 ppb |
2014-09-25 | 0.0598 ppb |
2014-09-25 | 0.0424 ppb |
2014-09-25 | 0.0640 ppb |
2014-11-03 | 0.0687 ppb |
2014-12-16 | 0.0624 ppb |
2014-12-16 | 0.0618 ppb |